Kalc vs Touchless Countdown
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kalc
This utility app offers a unit converter, calculator, and world clock. Its user-friendly interface is designed for quick access to everyday calculations and conversions.
- Unit converter
- Calculator
- World clock
- Simple UI
- Quick results
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Unit Converter, Calculator, and World Clock. The simple & clean UI to get the results you need for everyday use as quickly as possible.
Touchless Countdown
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Countdown without touching *This app uses the proximity sensor located next to the front camera. The proximity sensor detects when your hand is close to the front camera, allowing you to operate the app without touching it. 1. Tap the button for the time (seconds) you want to count down. 2. Hold your hand near the front camera to start the countdown.
Screenshots
Verdict
The clearest difference is ads: Kalc at none against Touchless Countdown's shown. Kalc also leads on iOS requirement (13.4 vs 15.8.3). On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Kalc ships an update every 9 days, Touchless Countdown fortnightly. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.
| Parameter | Kalc | Touchless Countdown |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Positive reviews | 96.2% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 9 days — better | Fortnightly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.4 — better | 15.8.3 |
| Further details — not scored | ||
| Size | 24 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | YUTA OKAJIMA | Hideaki Uchikoshi |
In-app purchases
Kalc
No in-app purchases
Touchless Countdown
No in-app purchases
